US Bridges

Farmingdale Rd/Ch over I-72 / US 36

Good

Sangamon County, Illinois · 2.6M W Wabash Intchg · Structure no. 084014500000000

Built
1974
51 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
247 ft
2 main spans
Daily traffic
1,000
2022 count
Owner
State
State Highway Agency

About this bridge

Farmingdale Rd/Ch over I-72 / US 36 is a steel continuous stringer/multi-beam or girder carrying Farmingdale Rd/Ch over I-72 / US 36 in Sangamon County, Illinois. It was built in 1974, so it is 51 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,000 vehicles a day, roughly 8% of them trucks, projected to reach 859 by 2046. The structure is 247 ft (75.2 m) long and 32 ft wide.

Location

Open in Google Maps
CarriesFarmingdale Rd/Ch
CrossesI-72 / US 36
Location2.6M W Wabash Intchg
RouteCounty Highway 0
CountySangamon County
StateIllinois
Coordinates39.75148, -89.79991
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.8 US tons
Inventory rating31.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 15
Structure length247 ft (75.2 m)
Longest span108 ft (32.9 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2022)
Projected traffic859 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Farmingdale Rd/Ch over I-72 / US 36 built?

It was built in 1974, making it 51 years old in 2025.

What condition is Farmingdale Rd/Ch over I-72 / US 36 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does Farmingdale Rd/Ch over I-72 / US 36 carry?

About 1,000 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Farmingdale Rd/Ch over I-72 / US 36?

The structure is 247 ft (75.2 m) long with a longest span of 108 ft (32.9 m) and a deck 32 ft wide.

Who owns Farmingdale Rd/Ch over I-72 / US 36?

It is owned by the State Highway Agency.